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Diode modulator for radio frequency transponder 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-001/59
  • H04Q-001/18
출원번호 US-0521898 (1995-08-31)
발명자 / 주소
  • Heinrich Harley K. (Brewster NY) Friedman Daniel J. (Tarrytown NY)
출원인 / 주소
  • International Business Machines Corporation (Armonk NY 02)
인용정보 피인용 횟수 : 148  인용 특허 : 0

초록 ▼

A diode modulator which is not part of the rectifier power supply circuit of an RF Transponder is controlled by the transponder electronic logic and memory circuitry to conduct RF current from a second terminal to a first terminal of the RF Transponder antenna in a first state of the transponder ele

대표청구항 ▼

A radio frequency (RF) transponder comprising; an antenna for receiving power and information transported from a base station to the RF transponder by means of an RF electromagnetic (EM) wave; a first means for receiving RF power from the antenna and for distributing energy to components of the tran

이 특허를 인용한 특허 (148)

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  145. Bates, Benjamin G.; Hahn, Scott, Wireless communication systems, interfacing devices, communication methods, methods of interfacing with an interrogator, and methods of operating an interrogator.
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  146. Pratt, Richard M.; Thompson, Steven B., Wireless communication systems, radio frequency identification devices, methods of enhancing a communications range of a radio frequency identification device, and wireless communication methods.
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